photoconductive Having the property of photoconductivity; that is, describing certain materials in which exposure to light results in an increase in electrical conductivity. Etymologically related 'light, shine, glow' word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; ... Found on http://www.wordinfo.info/words/index/info/view_unit/2803/6